Extended character set
An extended character set is a character repertoire containing characters beyond those in the C basic character set.
Modern C
An extended character set is a character repertoire that includes characters beyond the C basic character set.
- How it is used
- Uses multibyte strings to handle extended characters in textual input and output.
- How deep it goes
- Defines multibyte characters and strings, then works through locale setup, character counting, conversion state, and helper implementations.
- Examples
- Uses extended-character terminal output, a drawn separator, and helpers for measuring and converting multibyte strings.
- What you can do after
- Apply it via C’s setlocale and multibyte conversion functions to print and count extended characters while checking encoding errors.
Modern C, Third Edition
An extended character set is a repertoire that includes characters beyond the limited C basic character set, such as characters from additional scripts and writing systems.
- How it is used
- Uses multibyte strings to handle extended-character text in C input and output.
- How deep it goes
- Defines multibyte characters and strings, then works through length measurement and stateful conversion; does not treat byte counts as character counts.
- Examples
- Shows locale-dependent printing of extended characters, box-drawing string literals, and an `mbsrtowcs`-based length function.
- What you can do after
- Apply it via C library locale and conversion functions to print multibyte text and distinguish byte lengths from converted lengths.
Read how Modern C, Third Edition explains extended character set →
Related concepts
- multibyte stringuses · A multibyte string is a character sequence in which one logical character may occupy multiple bytes according to an encoding, typically terminated by a null character.
- C standard libraryused by · The C standard library is the standardized collection of functions, macros, types, and related facilities provided for C programs.
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